Evidence map›Paper›PMID 39902004›Full record

ArticleCureus2025

Four Cases of Calcium Pyrophosphate Deposition Disease Presenting With Polymyalgia-Like Symptoms and Chondrocalcinosis in the Shoulder and Hip Joints Identified on CT Imaging.

Ryosuke Ono, Ken Horibata

Abstract readCase Reports
In one paragraph

Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Ryosuke OnoDepartment of Internal Medicine, Kameyama Municipal Medical Center, Kameyama, JPN.
Ken HoribataDepartment of Internal Medicine, Kameyama Municipal Medical Center, Kameyama, JPN.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Calcium pyrophosphate deposition (CPPD) disease is a rheumatic disorder frequently observed in elderly individuals, often presenting with symptoms resembling polymyalgia rheumatica (PMR). Despite differing treatment strategies for these conditions, a definitive method for distinguishing between them remains unestablished. We report the cases of four elderly patients initially presenting with polymyalgia (PM), ultimately diagnosed with CPPD disease. Early-stage CT scans in all cases demonstrated chondrocalcinosis (CC) in the shoulder and hip joints. These findings suggest that PM in CPPD disease is attributable to calcium pyrophosphate deposition in these joints. Moreover, the identification of CC via CT imaging may aid in differentiating CPPD disease with PM from true PMR. Further research is warranted to refine this diagnostic distinction.

Indexed as

calcium pyrophosphate deposition disease (cppd)chondrocalcinosiscrown dense syndromepmrpolymyalgiapolymyalgia rheumaticapseudo-goutrheumatoid arthritisseronegative rheumatoid arthritis

Identifiers

PMID39902004
PMCPMC11789203

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.